Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rf3 win in 3 half-moves
2 Rf4 win in 3 half-moves
3 Ka3 draw
4 Ka6 draw
5 Kb3 draw
6 Ra8 draw
7 Rf1 draw
8 Rf2 draw
9 Rg8 draw
10 Rh8 draw
11 K4b4 loss in 2 half-moves
12 K4b5 loss in 2 half-moves
13 K5b4 loss in 2 half-moves
14 K5b5 loss in 2 half-moves
15 Kb6 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Rf6 loss in 2 half-moves
22 Rf7 loss in 2 half-moves